412640249 has 4 divisors (see below), whose sum is σ = 471588864. Its totient is φ = 353691636.

The previous prime is 412640209. The next prime is 412640273. The reversal of 412640249 is 942046214.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 412640249 - 2⁸ = 412639993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412640209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29474297 + ... + 29474310.

It is an arithmetic number, because the mean of its divisors is an integer number (117897216).

Almost surely, 2^412640249 is an apocalyptic number.

It is an amenable number.

412640249 is a deficient number, since it is larger than the sum of its proper divisors (58948615).

412640249 is an equidigital number, since it uses as much as digits as its factorization.

412640249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58948614.

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 412640249 is about 20313.5484098668. The cubic root of 412640249 is about 744.4871319639.

The spelling of 412640249 in words is "four hundred twelve million, six hundred forty thousand, two hundred forty-nine".